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From Zheng Lin Edwin Yeo <>
Subject IndexMergeTool to adhere to TieredMergePolicyFactory settings
Date Tue, 28 Nov 2017 04:05:53 GMT

I'm currently using Solr 6.5.1.

I found that in the, we found that there is this line
which set the maxNumSegments to 1.


For this, does it means that there will always be only 1 segment after the
merging? From what I see, that seems to be the case.

Is there any way which we can allow the merging to be in multiple segment,
which each segment of a certain size? Like if we want each segment to be of
20GB, which is what is what is set in the TieredMergePolicyFactory?

<mergePolicyFactory class="org.apache.solr.index.TieredMergePolicyFactory">
<int name="maxMergeAtOnce">10</int> <int name="segmentsPerTier">10</int>
double name="maxMergedSegmentMB">20480</double> </mergePolicyFactory>


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